John Deere S120 Lawn Tractor

Studio image of a S120 mower

Find the latest features, specs and pricing on the John Deere S120 Lawn Tractor with 42-in. Deck. This lawn tractor also includes the John Deere Easy Change™ 30-second oil change system that makes changing the engine oil easy, quick, and clean.

  • 22 hp (16.4 kW)* V-Twin Engine
  • 42-in. Edge™ Mower Deck
  • Hydrostatic Transmission w/side-by-side pedals
  • Easy Change™ 30-Second Oil Change System
  • 15-in Open-Back seat
  • Easy to read fuel gauge
  • 2 year/120 hour bumper-to-bumper warranty
Specs
Key Specs:
Engine power22 hp
16.4 kW
Oil changeJohn Deere Easy Change™ 30-second oil change system
Engine manufacturer/model44N677 (M44)
Transaxle typeTLT200 hydrostatic, two-wheel drive
Transaxle controlSide-by-side pedals
Rear tires20x8-8
Lift system typeSpring-assisted hand-grip lever
Cutting widthEdge™ mower deck, 42 in.
107 cm
U.S. warranty2 year/120 hour bumper-to-bumper* (*Term limited to years or hours used, whichever comes first, and varies by model. See the LIMITED WARRANTY FOR NEW JOHN DEERE TURF AND UTILITY EQUIPMENT at JohnDeere.com or JohnDeere.ca/TUWarranty for details.)
Engine:
Power22 hp
16.4 kW
Displacement44.2 cu in.
724 cm
Manufacturer/model44N677 (M44)
TypeOverhead valve, full-pressure lube, oil filter
CylindersV-twin
GovernorMechanical
Choke/speed controlSingle lever with spring-return on choke
Cooling methodAir
Air cleanerCartridge
Oil changeJohn Deere Easy Change 30-second oil change system
Fuel system:
TypeGasoline
Fuel deliveryPulse pump and carburetor
Fuel gaugeEasy-read on dash
Fuel tank locationRear
Fuel fill openingCenter, 1.75 in.
4.45 cm
Fuel tank capacity2.4 U.S. gal.
9.1 L
Electrical system:
Battery12 V
300 CCA
Charging systemRegulated, 8 amp
Engine starterBendix type
Hour meterYes
HeadlightsTwo standard, incandescent
Taillights or reflectorNo
Backup lightsNo
Rear work lightsNo
12-V outletNo
Transaxle:
TypeHydrostatic, 2-wheel drive
ControlSide-by-side pedals
Cruise controlStandard
Oil coolerFins and fan on transaxle
Oil filterYes, not serviceable
Differential lockNo
Forward speed0-5.5 mph
0-8.9 km/h
Reverse speed0-3.2 mph
0-5.2 km/h
BrakesInternal wet disk
Chassis:
FrameFull-length welded steel
Primer/paintE-coat/powder
Weight bracketOptional rear
Receiver hitchNo
Front axleCast-iron front axle, powdered-metal front wheel bushings
Spindle bushingsNo
Front tires15x6-6
Rear tires20x8-8
Hood materialMolded-in color material reduces sound, will not rust or dent
Fender deck materialStamped steel
Floor matsYes, with debris removing channels
StorageStorage tray with cover
Service interval decalYes
Fender handles/gripsNo
Cup holderYes
Equipment mountingCargO Mount™ system
Maximum towing capacity500 lb
227 kg
Steering:
TypeSector and pinion with single drag link and tie rod
Four-wheel steerNot available on this model
Steering wheelStandard, diameter - 12 in.
30.5 cm
Tilt steering wheelNo
Turning radius18 in.
45.7 cm
Uncut circle radius25 in.
63.5 cm
Seat:
TypeTwo piece with open-back
Seat back height15 in.
38 cm
ArmrestsNo
Fore-aft adjustmentWhile seated, 5.5 in.
14 cm
Seat suspensionTilt, two coil springs
Lift system:
TypeSpring-assisted hand-grip lever
Hydraulic outletsNo
Mower cut height13 positions, 1-4 in.
2.5-10.2 cm
Cut height increments0.25 in.
0.64 cm
Preset cut heightNo
Mower deck:
TypeSide discharge
Cutting widthEdge™ mower deck, 42 in.
107 cm
ConstructionStamped steel deck shell
Mower deck materialSteel, 13 gauge
0.090 in.
2.3 mm
Mower wash portYes
Mower drive systemManual power take-off (PTO)
Mower wheelsTwo
Mower wheel adjustmentOne bolt
Mower level adjustmentEasy-level deck
Mower attachability:
TypeSlide under tractor
Front draft armsOne spring clip
Rear draft armsTwo spring clips
Mower wheels rotateNo
Drive systemSingle belt
Safety:
Meets ANSI standardYes
Meets OPEI standardYes
Backup protectionReverse Implement Option (RIO)
Safety videoYes
Buyer's notes:
NotesMolded-in color material reduces sound, will not rust or dent
Durable primer and powder paint finish
Full-length welded steel frame
John Deere Easy Change 30-second oil change system
Warranty2 year/120 hour bumper-to-bumper* (*Term limited to years or hours used, whichever comes first, and varies by model. See the LIMITED WARRANTY FOR NEW JOHN DEERE TURF AND UTILITY EQUIPMENT at JohnDeere.com or JohnDeere.ca/TUWarranty for details.)
Optional equipment:
Mowers
Rear bagger2-bag, 6.5 bu
229 L
Powered material collection
Mulching systemMulch cover or high-performance plug
Front thatcher
Front blade46 in.
116.8 cm
Mid-mount blade
Snow blowerTwo-stage, 44 in.
111.8 cm
Rotary broom
Rotary tiller
Sleeve hitch
3-point hitch
Rear power take-off (PTO)
Plow, moldboard
Box scraper
Cultivator
Rear blade
Disk harrow
Landscape rake
SprayerTow-behind, 15 U.S. gal.
56.8 L
Mounted, 15 U.S. gal.
Tow-behind only, 25 U.S. gal.
94.6 L
SpreaderTow-behind only, 125-175 lb
57.7-80 kg
Front bumperStyled front bumper
Brush guard
Weather protectionWeather enclosure
Sun canopySun canopy
Rear receiver hitch
Bucket holderYes, single bucket
Grass stripingLawn striping kit
Tractor shovel
Front loader
Other equipment
Tow-behind tools16
Dimensions:
Height44 in.
1118 mm
Overall length69.7 in.
1770 mm
Wheelbase48.9 in.
1242 mm
Width with mower55.2 in.
1402 mm
Width with mower (deflector raised for storage)46.5 in.
1181 mm
Width without mower39.2 in.
996 mm
WeightMower, no fuel, 444 lb
201 kg
Additional information:
Manufacturing locationGreeneville, Tennessee, USA
Date collected1-Dec-21
Product Specials

No Interest if Paid in Full within 9 months1 on New John Deere 100 Series Lawn Tractors

No Interest if Paid in Full within 9 months

  • No Interest if Paid in Full within 9 months1
  • Offer available 01 February 2024 through 30 April 2024
No Interest if Paid in Full within 9 months<sup>1</sup>
Terms

1Offer valid on qualifying purchases made 01 February 2024 through 30 April 2024. Subject to approved credit on a Revolving Plan account, a service of John Deere Financial, f.s.b. For consumer use only. No down payment required. Interest will be charged to your account from the purchase date at 17.90% APR if the purchase balance is not paid in full within 9 months or if your account is otherwise in default. Available at participating U.S. dealers. Prices and models may vary by dealer. Offer available on new equipment and in the U.S. only. Prices and savings in U.S. dollars.

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Category
100 Series
Manufacturer
John Deere
Location
Amelia, Ohio
Bloomington, Indiana
Botkins, Ohio
Franklin, Indiana
Germantown, Ohio
Greenfield, Indiana
Greensburg, Indiana
Greenville, Ohio
Lebanon, Ohio
Oxford, Ohio
Richmond, Indiana
Rushville, Indiana
Tipp City, Ohio
Urbana, Ohio
Expiration Date
Tuesday, April 30, 2024

Order Online for Free Delivery1 on 100 & 200 Series Lawn Tractors

Order Online for Free Delivery

  • Only valid for purchases made through Buy Online
  • May be combined with other promotions
  • Offer available 01 February 2024 through 30 April 2024
icon of a truck with the word 'Free' on the side of the container
Terms

1Free Delivery offer is available on the following new products when purchased directly through the John Deere Buy Online site from participating John Deere dealers in the United States between 01 February 2024 through 30 April 2024: 100 Series Lawn Tractors, 200 Series Lawn Tractors, Select Series™ X300 Lawn Tractors, Select Series™ X500 Lawn Tractors, X700 Signature Series Tractors, Z300, Z500, and Z700 Zero-Turn Mowers, Commercial Walk-Behind Mowers, QuikTrak™ Stand-On Mowers, Z900 Series ZTrak™ Zero-Turn Mowers, Gator™ Utility Vehicles, and 1, 2, 3, and 4 Series Compact Tractors. Delivery not available from all dealers. Free Delivery is limited to 15 miles, as calculated in the 'Select a Dealer' screen, from participating dealers. Beyond the 15-mile limit for Free Delivery, a delivery credit, not to exceed $100 USD, is available from participating dealers. See the 'Select a Dealer' screen to find a participating dealer in your area. Valid in the U.S. only.

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Call Us

Visit Us
Category
100 Series
200 Series
Manufacturer
John Deere
Location
Amelia, Ohio
Bloomington, Indiana
Botkins, Ohio
Franklin, Indiana
Germantown, Ohio
Greenfield, Indiana
Greensburg, Indiana
Greenville, Ohio
Lebanon, Ohio
Oxford, Ohio
Richmond, Indiana
Rushville, Indiana
Tipp City, Ohio
Urbana, Ohio
Expiration Date
Tuesday, April 30, 2024